2021-12-22T13:24:12+03:00[Europe/Moscow] en true <p>definition of atoms</p>, <p>what is in the nucleus of an atom</p>, <p>subatomic particles</p>, <p>overall charge of the nucleus</p>, <p>charge of electrons</p>, <p>relative charge &amp; mass of protons</p>, <p>relative charge &amp; mass of neutrons</p>, <p>relative charge &amp; mass of electrons</p>, <p>definition of atomic number/proton number</p>, <p>in a neutral atom, the atomic number is equal to</p>, <p>definition of mass number/ nucleon number</p>, <p>how to calculate the number of neutrons</p>, <p>what are nucleons</p> flashcards

AS Level Particles in the Atom & Atomic Structure

CIE Syllabus 1.1

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  • definition of atoms

    the smallest parts of an element that can take place in chemical reactions

  • what is in the nucleus of an atom

    protons and neutrons

  • subatomic particles

    protons, neutrons and electrons

  • overall charge of the nucleus

    positive

  • charge of electrons

    negative

  • relative charge & mass of protons

    +1 and 1

  • relative charge & mass of neutrons

    0 and 1

  • relative charge & mass of electrons

    -1 and 0

  • definition of atomic number/proton number

    the number of protons in the nucleus of an atom

  • in a neutral atom, the atomic number is equal to

    the number of electrons

  • definition of mass number/ nucleon number

    the total number of protons and neutrons in the nucleus of an atom

  • how to calculate the number of neutrons

    mass number - atomic number

  • what are nucleons

    protons and neutrons